מַצְהָלָהmatshâlâh

neighing (Jeremiah 8:16; Jeremiah 13:27)

Pronunciation: mats-haw-law' · Hebrew/Aramaic (Old Testament) · H4684

Same root

צָהַלtsâhal · H6670to gleam, i.e. (figuratively) be cheerful; by transference to sound clear (of various animal or human expressions)

Where it appears

Appears 2 times in the Bible.

Jeremiah 8:16 “The snorting of the enemies’ warhorses can be heard all the way from the land of Dan in the north! The neighing of their stallions makes the whole land tremble. They are coming to devour the land and everything in it— cities and people alike.
Jeremiah 13:27 I have seen your adultery and lust, and your disgusting idol worship out in the fields and on the hills. What sorrow awaits you, Jerusalem! How long before you are pure?”

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).